Twin-to | 合法醫療器材資訊網

Twin-to-twintransfusionsyndrome(TTTS)isararepregnancyconditionaffectingidenticaltwinsorothermultiples.TTTSoccursinpregnancieswheretwins ...

Twin-to-twin transfusion syndrome (TTTS) is a rare pregnancy condition affecting identical twins or other multiples. TTTS occurs in pregnancies where twins share one placenta (afterbirth) and a network of blood vessels that supply oxygen and nutrients essential for development in the womb. These pregnancies are known as monochorionic.

Sometimes the vessel connections within the placenta are not evenly dispensed and there is an imbalance in the blood exchange between the twins. One twin — the donor twin — gives away more blood than it receives in return and runs the risk of malnourishment and organ failure. The recipient twin receives too much blood and is susceptible to overwork of the heart and other cardiac complications.

The donor twin

The donor twin experiences progressive loss of blood volume (hypovolemia). T...